protected bool IsEditEnabled(TreeNodeAdv node)
{
if (EditEnabled)
{
NodeControlValueEventArgs args = new NodeControlValueEventArgs(node);
args.Value = true;
OnIsEditEnabledValueNeeded(args);
return Convert.ToBoolean(args.Value);
}
else
return false;
}
public virtual object GetValue(TreeNodeAdv node)
{
if (VirtualMode)
{
NodeControlValueEventArgs args = new NodeControlValueEventArgs(node);
OnValueNeeded(args);
return args.Value;
}
else
{
try
{
return GetMemberAdapter(node).Value;
}
catch (TargetInvocationException ex)
{
if (ex.InnerException != null)
throw new ArgumentException(ex.InnerException.Message, ex.InnerException);
else
throw new ArgumentException(ex.Message);
}
}
}
protected virtual void OnIsVisibleValueNeeded(NodeControlValueEventArgs args)
{
if (IsVisibleValueNeeded != null)
IsVisibleValueNeeded(this, args);
}
public bool IsVisible(TreeNodeAdv node)
{
NodeControlValueEventArgs args = new NodeControlValueEventArgs(node);
args.Value = true;
OnIsVisibleValueNeeded(args);
return Convert.ToBoolean(args.Value);
}
protected override void OnIsVisibleValueNeeded(NodeControlValueEventArgs args)
{
args.Value = args.Node.IsExpandingNow;
base.OnIsVisibleValueNeeded(args);
}
public virtual void SetValue(TreeNodeAdv node, object value)
{
if (VirtualMode)
{
NodeControlValueEventArgs args = new NodeControlValueEventArgs(node);
args.Value = value;
OnValuePushed(args);
}
else
{
try
{
MemberAdapter ma = GetMemberAdapter(node);
ma.Value = value;
}
catch (TargetInvocationException ex)
{
if (ex.InnerException != null)
throw new ArgumentException(ex.InnerException.Message, ex.InnerException);
else
throw new ArgumentException(ex.Message);
}
}
}
private void OnValuePushed(NodeControlValueEventArgs args)
{
if (ValuePushed != null)
ValuePushed(this, args);
}
private void OnIsEditEnabledValueNeeded(NodeControlValueEventArgs args)
{
if (IsEditEnabledValueNeeded != null)
IsEditEnabledValueNeeded(this, args);
}
